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Fix OBR speaker locations to ITU standards - #62

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For issue #61

Elevations wrong:
Upper speakers use +45 degrees rather than +30, but only UH180 should be +45. (UH180 is not used in any layout used by OBR. It is in Sound System F, not used as an input by OBR)

Sound System D (5.1.4) upper speakers azimuths are wrong: Currently are 45 and 135, but should be 30 and 110.

This doesn't match OLR or the ITU standard.

Reference
ITU Reference: https://www.itu.int/dms_pubrec/itu-r/rec/bs/R-REC-BS.2051-3-202205-I!!PDF-E.pdf

Elevations wrong: 
Upper speakers use +45 degrees rather than +30, but only UH180 should be +45.  
(UH180 is not used in any layout used by OBR.  It is in Sound System F, not used as an input by OBR)

Sound System D (5.1.4) upper speakers azimuths are wrong: Currently are 45 and 135, but should be 30 and 110.

This doesn't match OLR or the ITU standard.

Reference
ITU Reference: https://www.itu.int/dms_pubrec/itu-r/rec/bs/R-REC-BS.2051-3-202205-I!!PDF-E.pdf
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